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Diffstat (limited to 'arch/powerpc/platforms/83xx/mpc837x_mds.c')
-rw-r--r--arch/powerpc/platforms/83xx/mpc837x_mds.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c
new file mode 100644
index 00000000000..166c1116b1a
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+++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
@@ -0,0 +1,104 @@
+/*
+ * arch/powerpc/platforms/83xx/mpc837x_mds.c
+ *
+ * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * MPC837x MDS board specific routines
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/pci.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+
+#include <asm/time.h>
+#include <asm/ipic.h>
+#include <asm/udbg.h>
+#include <asm/prom.h>
+
+#include "mpc83xx.h"
+
+#ifndef CONFIG_PCI
+unsigned long isa_io_base = 0;
+unsigned long isa_mem_base = 0;
+#endif
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init mpc837x_mds_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+ struct device_node *np;
+#endif
+
+ if (ppc_md.progress)
+ ppc_md.progress("mpc837x_mds_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+ for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
+ mpc83xx_add_bridge(np);
+#endif
+}
+
+static struct of_device_id mpc837x_ids[] = {
+ { .type = "soc", },
+ { .compatible = "soc", },
+ {},
+};
+
+static int __init mpc837x_declare_of_platform_devices(void)
+{
+ if (!machine_is(mpc837x_mds))
+ return 0;
+
+ /* Publish of_device */
+ of_platform_bus_probe(NULL, mpc837x_ids, NULL);
+
+ return 0;
+}
+device_initcall(mpc837x_declare_of_platform_devices);
+
+static void __init mpc837x_mds_init_IRQ(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
+ if (!np)
+ return;
+
+ ipic_init(np, 0);
+
+ /* Initialize the default interrupt mapping priorities,
+ * in case the boot rom changed something on us.
+ */
+ ipic_set_default_priority();
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc837x_mds_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ return of_flat_dt_is_compatible(root, "fsl,mpc837xmds");
+}
+
+define_machine(mpc837x_mds) {
+ .name = "MPC837x MDS",
+ .probe = mpc837x_mds_probe,
+ .setup_arch = mpc837x_mds_setup_arch,
+ .init_IRQ = mpc837x_mds_init_IRQ,
+ .get_irq = ipic_get_irq,
+ .restart = mpc83xx_restart,
+ .time_init = mpc83xx_time_init,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+};